All of the side cover bolts into the truetrac were loose enough that I could turn them by hand. Ford Power Stroke Nation 95K+ members. If I leave the front drive shaft free (2wd) and turn a wheel, both wheels turn. It seems to click much more rotated forward rather than backward. That along with standard 35 spline Alloy Axles your choice of … The Truetrac will provide a near lock state when the power is applied, but it performs as an open differential until traction is needed. Jump to Latest Follow 1 - 10 of 10 Posts. Recommended Communities. I was going to order my TrueTrac this morning and did a quick search on issues. In fact, Eaton has even taken their respected Detroit Truetrac and adapted it for use in the new Camaros, and offers a great balance of streetability and hardcore performance. When I turn the driver side wheel forward, I get the clicking noise. I don't think the locker is that much more expensive than the Truetrac in the grand scheme of things. There are several threads out there in regards to the side case bolts coming loose and it doesn't sound like Eaton is standing behind the product. The edge of the truetrac housing/body on the passenger side had big chunks missing that were laying at the bottom of the axle housing. This configuration spreads the load across 6 gears for greater strength. I've taken it to the dragstrip and the autocross, and also drive it on the streets regularly. R ... 99-03 7.3L General Discussion 94-98 7.3L General Powerstroke Discussion 6.0L Performance Parts Discussion 6.0 Motor problems. I have a '17 Willy's JK and, upon the recommendation of a reputable shop here, am most likely going with a Truetrac on the front Dana 30 and a Eaton E-Locker on the rear Dana 44. So it seems like the bolts loosened up enough for the side cover to shift around and bust the edges of the housing off. I've got the Detroit/Eaton Truetrac in my 68 Olds with 3:42 gears, 33 spline axles in a GM 12-bolt, 26.5" tires, an LS3 (525 crank horse, 491 torque), and a 4L70 transmission. They generally require less maintenance. I put the Jeep up on jack stands today, looking for any problem in my Detroit TrueTrak (now Eaton) LSD equipped D30. Help me decide on either an Eaton posi or Detroit Truetrac differential June 14, 2011, 11:47 AM. However, it can be manually engaged and disengaged at the differential cover if there is a problem with the air system. Especially if you're having a shop do the work. Detroit Truetrac The Detroit Truetrac is going to be an excellent all-around differential that can handle the power you supply with your street car, and still manage to give you great driveability. In my experience, the Eaton units perform about the same as the Trac-Lok except in 'zero friction' situations where the preload of the clutches does help the Trac-Lok a little. In most other conditions, the Truetrac engages a little faster, but in the end, offering about the same amount of power transfer. Find helpful customer reviews and review ratings for Eaton 913A477 Detroit Truetrac 9.75" 34 Spline Differential for Ford at Amazon.com. Maserati Grecale Forum NEW! Eaton/Detroit Truetrac. Chevy GMC Duramax Forums 174K+ members. Just like the Truetrac it is a helical gear differential but this unit has 6 gears per side vs the 3 gears of the Truetrac. Follow along with us as we review the technical details of the 5 th Gen Detroit Truetrac, and install one (Part #912A686) in a street/strip LS3 powered 2010 Camaro SS. Read honest and unbiased product reviews from our users.